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轮机英语最新题库第一部分

轮机英语最新题库第一部分
轮机英语最新题库第一部分

5.1 STCW 公约

5.1.1 STCW78/95 公约中有关轮机值班的基本原则

3127.

The officer in charge of the engineering ______ the watch to the relieving officer it there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.

A.shall take over

B.shall not take over

C.shall hand over

D.shall not hand over

3128.

STCW78/95 shall apply to seafarers _____ on board seagoing ships entitled to fly the flag of a Party.

A.served

B.serving

C.surveyed

D.surveying

3129.

When the chief engineer is in the machinery spaces, the officer in charge of the engineering watch shall _____.

A.continue to be responsible for machinery space operations despite the presence of the C/E

B.hand over the responsibility to the chief engineer actively

C.be responsible for the watching together with the chief engineer

D.assistant the chief engineer to control the machinery

3130.

All engineer officers and engine room ratings shall be aware of the serious effects of operational or accidental pollution of the marine environment and shall take all possible _____ to prevent such pollution, particularly within the framework of relevant international and port regulations.

A.steps

B.procedures

C.precautions

D.programs

3131.

STCW78/95 states that the officer in charge of the engineering watch is the _____ representative.

A.ship-owner’s

B.master’s

C.chief engineer’s

D.manager’s

3132.

In the event of minor emergencies when the machinery spaces unattended, _____ will be informed of malfunctions in the machinery by his cabin monitor.

A.the chief engineer

B.the engine on cabin watch

C.the bridge officer on watch

D.the master

3133.

At an unsheltered anchorage the chief engineer officer shall consult with the master whether or not to _____.

A.do engine repair work

B.clean sea water filter

C.maintain an underway watch

D.take bunkering

3134.

With UMS, when the engine room is unwatched ______ will control the main engine.

A.the bridge officer on watch

B.the chief engineer

C.maintain an underway watch

D.take bunkering

3135.

The responsibilities of the engineer officer in charge of the watch of not include _____.

A.to ensure the main propulsion plant are kept under constant surveillance

B.to ensure the auxiliary systems are kept under constant surveillance

C.to inspect the steering gear spaces at suitable intervals

D.to inspect and overhaul the equipments in this charge

3136.

When the engine room is put standby condition, the engineer in charge of the watch need not to _____.

A.ensure all machinery which may be used during maneuvering is in ready

B.ensure an adequate reserve of power is available for steering gear and other requirements

C.keep the main propulsion unit controls continuously attended when in the manual mode of

operation

D.ensure all machinery which may be used during maneuvering is running stably

3137.

At an unsheltered anchorage the chief engineer officer shall consult with the master whether or not to maintain an underway watch. “An underway watch” means ______.

A. a watch which is kept with lower standard

B. a watch which is kept when the ship isn’t sailing

C. a watch which is kept when the ship isn’t sailing

D. a watch which is kept when the ship is in a restricted visibility area

3138.

During an engine room watch if immediate action is necessary to ensure safety of the ship, its machinery and crew _____.

A.the chief engineer must be informed at first

B.the captain must be informed at first

C.it must be taken by the duty engineer

D.the generator engine must be stopped

3139.

At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those _____.

A.noted by the bridge officer

B.told by last duty engineer

C.observed

D.in the instruction manual

3140.

When under maneouvring conditions with the machinery being manually operated the control unit or console should be _____.

A.automatically controlled

B.continuously manned

C.off power

D.None of the above is true.

3141.

Bridge orders must be ______ and a record of any required changes in speed and direction should be kept.

A.slowly carried away

B.carried out with a period of delay

C.promptly carried out

D.paid by the captain

3142.

The SMS should provide for specific measures aimed at promoting the ______ of equipment or systems the sudden operational failure of which may result in hazardous situations.

A.visibility

B.ability

C.reliability

D.capability

3143.

______ means the Government of the State whose flag the ship is entitled to fly.

A.Assembly

https://www.doczj.com/doc/516907348.html,anization

https://www.doczj.com/doc/516907348.html,pany

D.Administration

3144.

The Company should ensure that the ship’s personnel are able to ______ effectively in the execution of their duties related to the SMS.

https://www.doczj.com/doc/516907348.html,municate

B.verify

C.audit

D.evaluate

3145.

The Company should ensure that ______ involved in the Company’s SMS have an adequate understanding of relevant rules, regulations, codes and guidelines.

A.masters

B.chief engineers

C.crew

D.all personnel

3146.

The Company should ensure that _____ involved in the Company’s SMS have an adequate understanding of relevant rules, regulations, codes and guidelines.

A.masters

B.chief engineers

C.crew

D.all personnel

3147.

The Company should ensure that ______ documents are promptly removed.

A.absolute

B.updated

C.outdated

D.new

3148.

The SMS should provide for _____ ensuring that the Company’s organization can respond at any time to hazards, accidents and emergency situation involving its ships.

A.programs

B.progress

C.members

D.measures

3149.

Administrations should bear in mind the significance of _____ in maintaining safety of life and property at sea and in preventing marine pollution.

A.advanced nautical equipment

B.advanced performance main engines

C.emergency equipment

https://www.doczj.com/doc/516907348.html,munication and language skills

3150.

The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the _____ of operation when notified that the ship is in congested waters.

A.manual mode

B.automatic mode

C.remote mode

D.follow-up mode

3151.

The officer in charge of the engineering watch shall ensure that at times bridge orders relating to changes in ______ of operation are immediately implemented.

A.ahead or astern

B.fore or aft

C.up or down

D.speed or direction

3152.

To ensure the safe operation of each ship and to provide a link between the Company and those on board, every Company, as appropriate, should designates a person or persons ashore having direct ______ to the highest level of management.

A.space

B.distance

C.visibility

D.access

3153.

Duties shall be so organized by the chief engineer officer that the first watch at the commencement of a voyage and the subsequent relieving watches are ____ and otherwise fit for duty.

A.well trained

B.in good luck

C.in good health

D.sufficiently rested

3154.

At an unsheltered anchorage the chief engineer officer shall consult with whether or not to maintain an underway watch _____.

A.the engineer officer in charge of watch

B.the deck officer in charge of watch

C.the master

D.the chief mate

3155.

With UMS, when the engine room is unwatched, _____ will control the main engine.

A.the bridge officer on watch

B.the chief engineer

C.the duty engineer

D.the duty motorman

3156.

The SMS should provide for ______ ensuring that the company’s organization can respond at any time to hazards, accidents and emergency situation involving its ships.

A.measures

B.progresses

C.members

D.programs

3157.

STCW78/95 Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room.

A.available minimum requirements

B.available maximum requirements

C.mandatory minimum requirements

D.mandatory maximum requirements

3158.

_____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

A.The watch keeping personnel

B.The chief engineer

C.The person on a bunker barge

D.The duty deck officer

3159.

The SMS should provide for specific measures aimed at promoting the reliability of equipment or systems _____ may result in hazardous situations.

A.which the sudden operational failure

B.that the sudden operational failure

C.the sudden operational failure

D.the sudden operational failure of which

3160.

The Company should establish in the SMS that _____ has the overriding authority and the responsibility to make decisions with respect to safety and pollution prevention.

A.the master

B.the chief engineer

C.the officer on duty

D.the engineer in charge of watch

3161.

Under the provisions of applicable international conventions, ships entitled to fly the flag of a Party are subject, while in the port of a Party, to control by officers duly authorized by the Party. Ships of non-parties or below convention size shall be given _____.

A.more favorable treatment

B.less favorable treatment

C.no more favorable treatment

D.the most favorable treatment

3162.

Who will be responsible for ensuring that a ship maintains a standard at least equivalent to that specified in international conventions?

A.Port state.

B.The Administration.

C.The shipowner.

D.The master.

3163.

The maximum Blood Alcohol Concentration (BAC) rate on board shall not be more than _____ by weight any time when being tested. But watch-keepers are not allowed to drink any alcoholic beverage _____ before their watch.

A.0.08%; 4 hours

B.0.08%; 2 hours

C.0.04%; 4 hours

D.0.04%; 2 hours

3164.

One of the major features of the STCW95 is the adoption of a new STCW Code, to which many _____ have been transferred.

A.safety regulations

B.technical regulations

C.minimum requirements

D.standard requirements

3165.

The _____ Convention is the first to establish basic requirements on training, certification and watch-keeping for seafarers on an international level.

A.STCW78

B.STCW95

C.SOLAS74

D.SOLAS88

3166.

When deciding the composition of the engineering watch, which may include _____ appropriately, many factors shall be taken into account.

A.satisfied engineers

B.qualified ratings

C.satisfied chief engineer

D.qualified chief engineer

3167.

When deciding the composition of the engineering watch, which may include appropriately qualified ratings, following criteria shall be taken into account?

(1)the type of ship;

(2)the type and condition of the machinery;

(3)the safety of life, ship, cargo and port;

(4)the observance of international, national and local regulations.

A.(1)+(2)

B.(1)+(2)

C.(1)+(2)+(3)

D.(1)+(2)+(3)+(4).

3168.

The officer in charge of the engineering watch shall continue to be responsible for machinery operations, ______ the presence of the chief engineer in the machinery space.

A.as long as

B.unless

C.despite

D.till

3169.

All members of the engineering watch shall be familiar with assigned watch-keeping duties. In addition, every member shall, with respect to the ship they are serving in have knowledge of _____.

(1)the use of appropriate internal communication systems;

(2)the use of GMDSS;

(3)the escape routes from machinery spaces;

(4)the number location and types of fire-fighting equipment in the machinery spaces.

A.(1)+(3)+(4).

B.(2)+(3)+(4).

C.(3)+(4)

D.(1)+(2)+(3)+(4).

3170.

When the machinery spaces are in the periodic unmanned condition, _____ shall be immediately available and on call to attend the machinery space.

A.the chief engineer

B.the designated engineer from shipyard

C.the designated duty officer in charge of the engineering watch

D.the designated surveyor from classification society

3171.

Changes in direction or speed of the main propulsion units shall be recorded, ______ an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.

A.in addition to

B.in addition that

C.except for

D.except where

3172.

The officer in charge of the engineering watch shall notify engineer without delay _____.

A. in any emergency or if in any doubt as to what decision or measures to take

B. in the event of any impending action in machinery spaces that may cause reduction in ship’s speed

C. when isolating and bypassing machinery to be worked on

D. co-operating with any engineer in charge of maintenance work

3173.

When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that _____.

(1)bridge orders relating to changes in speed or direction of operation are immediately

implemented;

(2)auxiliary machinery used for maneuvering is readily available.

(3)permanent air or steam pressure is available for sound signals.

A.(1)+(2).

B.(1)+(3).

C.(2)+(3).

D.(1)+(2)+(3).

3174.

The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can be i8mmediately be placed in the manual mode of operation when notified that the ship is _____.

A.at anchor

B.at unsheltered anchorage

C.in congested waters

D.in an open road-stead

3175.

However, where immediate action is necessary to ensure safety of the ship, its machinery and crew, it must be taken by the engineer in charge. What does “it” mean in the sentence above?

A.Safety

B.The ship, its machinery and crew.

C.Immediate action.

D.The engineer in charge.

3176.

_____ Should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

A. The watch keeping personnel

B. The chief engineer

C. The person on a bunker barge

D. Any of the above

5.1.2 轮机员的基本职责和道德

3177.

In the engine department, the _____ is looked upon to provide the leadership that is needed.

A. captain

B. chief engineer

C. chief officer

D. chief motorman

3178.

Who is in charge of the main engine?

A. The chief engineer.

B. The second engineer.

C. The third engineer.

D. The fourth engineer.

3179.

Who is in charge of the auxiliary engines?

A. The chief engineer.

B. The second engineer.

C. The third engineer.

D. The fourth engineer.

3180.

Who is in charge of the auxiliary boilers?

A. The chief engineer.

B. The second engineer

C. The third engineer.

D. The fourth engineer

3181.

From viewpoint of practice, it is sometimes important to detect abnormal happenings in the running gear by _____.

A. a keen sense of heating

B. rich theory

C. communicating ability with others

D. repetition work

5.1.3 机架联系制度

3182.

When the order given by officer may have bad results, the duty engineer should ______.

A. inform the captain for a further consideration then perform it

B. inform the captain and not perform it

C. stop the M/E immediately and then inform the chief engineer

D. stop the M/E immediately and then inform the captain

3183.

The bridge should inform the engine room _____ before passing through congested or shallow waterway.

A. 24 hours

B. 2 hours

C. 1 hour

D. 15 minutes

3184.

In the voyage duty officer should inform ______ situation to the duty engineer immediately.

A. in/out port

B. passing through big bridge

C. big steering angle for direction changing

D. in/out port and passing through big bridge

3185.

When anchoring in open anchorage chief engineer should consult with captain _____.

A. if the ship must be stand by

B. if M.E. should be stopped

C. if keep-watching as in voyage

D. if the ship must anchor two anchors

3186.

When passing through congested or shallow waterway the bridge should inform the engine room _____ ahead of schedule.

A. 24 hours

B. 2 hours

C. 1 hours

D. 15minutes

3187.

The duty officer and engineer should obey regulation for the speed ME that established by _____.

A. captain

B. chief engineer

C. chief engineer and captain consult together

D. chief engineer and superintend consult together

3188.

After arrived at the port if it is necessary to life the piston out and inspect the ME temporarily the chief engineer should report the situation the _____ and the operation could be performed only after having the improvement of relevant department.

A. maritime safety administration

B. ship survey bureau

C. company manager

D. ship company

3189.

All of the followings are orders between the bridge and the engine room except _____.

A. One-hour notice

B. Dead slow ahead

C. Finished with engines

D. Half astern

3190.

UMS are mainly unattended overnight and during this time ______ should have control of the main engine.

A. the chief engineer

B. the engineer on cabin watch

C. the bridge officer on watch

D. the master

3191.

Main diesel engine control can be obtained by the bridge _______.

A. at any time

B. only after the engine room control station is switched to “bridge control”

C. whenever the secondary station is switched to “bridge control”

D. whenever the engine side control station is switched to “bridge control”

三管轮轮机英语大证考试真题41期

中华人民共和国海事局 2006年第3期海船船员适任证书全国统考试题(总第41期) 科目:轮机英语试卷代号:805 适用对象:无限、近洋航区3000KW及以上船舶二/三管轮 (本试卷卷面总分100分,及格分为70分,考试时间为100分钟) 答题说明:请选择一个最合适的答案,并将该答案按答题卡要求,在其相应位置上用2B铅笔涂黑。第1题至74题,每题1分,第75题至78题,每题1.5分,第79题至80题, 每题10分。 一、单项选择题 1. A diesel engine is similar to a gasoline engine except that the former has no ______. A. cross-head B. spark plug C. connecting rod D. cylinder 2. A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a ______. A. slow-speed diesel B. medium-speed diesel C. high-speed diesel D. constant-speed diesel 3.Which of the diesel engine components listed increases air density and helps to improve engine operating efficiency? A. Impeller B. Compressor C. After-cooler D. Exhaust diffuser 4.For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four- stroke/cycle diesel engine because ______. A. it has a longer power stroke B. more air gets into the cylinder each stroke C. it develops twice as many power strokes at the same speed D. higher combustion pressure is developed 5.The intake valves in a diesel engine are reseated by ______. A. cam followers B. push rods C. combustion gases D. valve springs 6.According to the way the energy of the exhaust gases is utilized, pressure-charging can be divided into two main systems, namely, the constant-pressure system and ______. A. the pulse-phase system B. the pulse Doppler system C. the pulse system D. the pulse interval system 7.An over-speed safety device is usually fitted to a generator engine for______in the event of over- speed. A. cutting power off the engine B. increasing the fuel pump setting C. braking the crankshaft D. stabilizing the ship speed 8.What preventative maintenance should be done frequently to diesel engine starting air receivers? A. Drain the accumulated moisture. B. Test the relief valves. C. Watch the temperature to prevent fluctuations in pressure. D. Clean the interior to remove oil and foreign matter. 9.Immediately after any diesel engine is started, the engineer should check the ______. A. crankcase pressure B. lube oil pressure C. seawater pressure D. exhaust temperature 10. A controllable pitch propeller on a diesel driven vessel eliminates the need for ______. A. friction clutches B. disconnect clutches C. reversing gears D. reduction gears 11.In motor ship, ______is often used to recover some of the heat carried in the exhaust gases from the main engine. A. an diesel oil heater B. a waste heat boiler C. a fresh water generator D. a donkey boiler 12.An exhaust gas bypass is installed on a waste heat boiler in order to ______. A. bypass exhaust gas at high loads to prevent excessive back pressure B. bypass a portion of the exhaust gas at peak loads for better efficiency C. recycle exhaust gas to the turbocharger D. minimize moisture condensation in the boiler gas passages at low loads 13.Prior to lighting off a cold automatically fired auxiliary boiler, you should ______. A. check and regulate the water level B. close the air cock once fires are lit C. blow down the gage glass D. assure protective steam flow 14.Flame failure in an automatically fired auxiliary boiler can mostly result from a/an ______. A. incorrect electrode setting B. incorrect nozzle position C. clogged fuel nozzle D. broken high tension lead 15.Waterside scale in a fire-tube boiler may cause ______. A. increased heat transfer B. fireside erosion C. high steam demand D. overheated tubes 16.Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump? I. Its discharge is continuous; II. It has no internal valves; III. Upon accidental closing of discharge valve, excessive pressure will not build up A. I, II B. II, III C. I, II, III D. II only 17.Why are removable sleeves installed on centrifugal pump shafts? A. They make it easier to replace the pump shaft packing. B. They can be economically replaced as they wear out. C. They can be removed when it is necessary to lighten the weight of the pump. D. They increase the strength of the shaft. 18.If one of the bilge system manifold valves does not properly seat, the ______. A. bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied B. bilge system will lose vacuum and prevent the other bilges from being pumped out C. bilge well aft connected to that valve will siphon(虹吸) its contents to the forward bilge wells D. discharge pressure will be too high. 19.Which of the listed statements is correct concerning the starting of centrifugal pumps? A. They should always be started with the discharge valve closed. B. They should always be started with the discharge valve opened. C. A priming pump is always required to flood the impeller suction. D. They should always be started with the sealing line valves closed. 20.The simplest method to use for determining if a centrifugal pump is operating as designed, is to ______. A. closely observe the pump discharge temperature B. close off the discharge valve, and watch for a rise in pressure C. momentarily close off the suction valve, and watch for a rise in pressure D. use a clamp on ammeter and compare the readings to past records

轮机英语历年真题43期

中华人民共和国海事局 2007年第2期海船船员适任证书全国统考试题(总第43期) 科目:轮机英语试卷代号:805 适用对象:无限、近洋航区3000KW及以上船舶二/三管轮 (本试卷卷面总分100分,及格分为70分,考试时间为100分钟) 答题说明:请选择一个最合适的答案,并将该答案按答题卡要求,在其相应位置上用2B铅笔涂黑。第1题至74题,每题1分,第75题至78题,每题1.5分,第79题至80题, 每题10分。 一、单项选择题 1.______ the engines, the diesel engine is ______ used engine on board. A. Between/more commonly B. Among/the most commonly C. Between/not more commonly D. Among/ not the most commonly 2.The average pressure exerted on a piston during each power stroke is termed ______. A. indicated horsepower B. mean effective pressure C. exhaust back pressure D. compression pressure 3.The cetane number rates fuels for diesel engines according to its ______. A. antiknock characteristics B. ignition qualities C. rates of vaporization D. viscosity 4.The time between injection and ignition of the fuel is known as ______. A. turbulence lag B. after burning ratio C. pre-ignition lag D. ignition delay 5.______ controls the fuel oil temperature in order to provide oil at the correct viscosity for combustion. A. The viscosity regulator B. The temperature controller C. The flow meter D. The pressure switch 6.Constant cooling the various components of diesel engine has a number of functions except for ______. A. good lubrication B. low thermal stress C. good mechanical properties D. acid corrosion 7. A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an ______. A. torque limiter B. over-speed trip C. over-speed governor D. load limit governor 8.Engine speeds at which resonance can occur are termed ______. A. maximum speeds B. full speeds C. sea speeds D. critical speeds 9.Prolonged operation of a diesel engine with a closed cooling water system at lower than normal designed operating temperatures can ______. A. increase power output B. decrease lube oil viscosity C. eliminate fuel knock D. cause sulfuric acid formation 10.______ on a ship transmits power from the engine to the propeller. A. The automatic control system B. The speed regularly system C. The transmission system D. The compression air system 11.In a _____ boiler the hot gases from the furnace pass through the tubes while the water is on the outside. A. water-tube B. fire-tube C. exhaust gas D. composite 12.The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler ______. A.salinity is abnormally B.high steam demand is too high C.feed-water flow is low D.water level is abnormally low 13.The water in a steaming auxiliary boiler should be tested daily for ______. A. dissolved oxygen B. chlorides C. sludge D. dissolved nitrogen 14.Ignition failure in an automatically controlled auxiliary boiler could be caused by ______. A. carbon deposits on the flame scanner B. high fuel oil temperature C. low fuel oil viscosity D. high steam pressure 15.The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of ______. A. seawater contamination B. frequent surface blows C. dissolved oxygen de-aeration D. frequent bottom blows

轮机大管轮英语真题48期

中华人民共和国海事局 2009年第5期海船船员适任证书全国统考试题(总第48期) 科目:轮机英语试卷代号:803 适用对象:无限、近洋航区3000KW及以上船舶大管轮 (本试卷卷面总分100分,及格分为70分,考试时间为100分钟) 答题说明:请选择一个最合适的答案,并将该答案按答题卡要求,在其相应位置上用2B铅笔涂黑。第1题至82题,每题1分,第83题至94题,每题1.5分。 一、单项选择题: 1. The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is . A. they operate between 150 and 450 rpm B. they are connected to the propeller by gearing C. their smaller size and weight D. they can be connected directly to the propeller without gearing 2. The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by . A. large conical springs B. compressed air pressure C. hydraulic pressure D. exhaust gas pressure 3. One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the . A. governor sensitivity B. exhaust temperature C. fuel injection pressure D. speed of the cam shaft 4. The desirable properties or a marine fuel oil should inc lude . A. high flash point and high viscosity B. low flash point and high viscosity C. low heating value and high sulphur content D. high heating value and low sulphur content 5. As the plunger moves upwards in the barrel, injection will commence once the plunger bas the spill ports and the pressure builds up. A. opened up B. closed off C. lined up D. taken off 6. In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces . A. all of the oil used by the engine through a filter B. some of the oil used by the engine through a filter C. some of the oil used by the engine through a centrifuge D. all of the oil used by the engine through a centrifuge 7. Because the circulating water is in a closed loop, is installed to cater for expansion and contraction of the water at different conditions of operation. A. an expansion joint B. a drain tank C. a head tank D. a contraction tank 8. The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the . A. inlet nozzle ring B. turbine wheel blade C. diffuser passages D. inlet volute 9. is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve. A. An air receiver B. An operating valve C. An automatic valve D. An air distributor 10. Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as . A. actuation B. sensitivity C. compensation D. promptness 11. By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a . A. tachometer B. pyrometer C. dynamometer D. calorimeter 12. When the ship is going to enter into the harbor, ____. A. change from heavy fuel oil to diesel oil for main engine B. pumping out bilge water C. change sea chest from high level one to lower level one D. test emergency generator 13. If the jacket water temperature rises rapidly above normal in a diesel engine, you should first . A. place standby cooler in operation B. reduce engine toad C. check thermostatic valve D. clean sea water strainer 14. Air cocks, usually positioned at the in a circulating system, is used to get rid of the air in the system. A. bending joint B. expansion tank C. weld D. the highest point 15. Which of the following conditions could contribute to the cracking of a diesel engine cylinder head? A. Leaking seal ring B. Insufficient heat transfer from the exhaust valves C. Blocked cooling water passages to the head D. Excessive scavenging air provided to the engine 16. of an engine crankshaft can be detected by measuring deflections of' crank webs for each unit of the engine. A. Misalignment B. Length C. Strength D. 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